常备现货区
[展开描述+]常备现货区
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产品货号
产品名称
产品描述
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97%
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98%
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97%
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98%
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85%
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98%（GC衍生化试剂）
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potency: ≥800 units/mg tylosin
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98%
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98%
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99%
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97%
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97%,含 900 ppm MEHQ 稳定剂
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98%
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双(2,2,6,6,-四甲基-3,5-庚二酮酸)铜(II)[...
99%
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2,2'',7,7''-四溴-9,9''-螺二芴[12805...
97%